Climate Comfort Score
97/100
Excellent
NOAA 1991–2020 normals 67°F annual avg Public-domain federal data
Killeen, TX Climate
Average temperature, precipitation, and a comfort score, drawn from NOAA NCEI 1991–2020 normals →
- 67°F
- Avg annual temp
- 97/100
- Comfort score
- 34.8"
- Annual precip
- 248d
- Growing season
30-year climate normals from 1 weather station (1991-2020).
The climate verdict for Killeen
Killeen, Texas averages 67°F a year and scores 97/100 on the comfort index - excellent, milder than 98% of U.S. cities.
- 67°F
- annual average temperature (NOAA normal)
- 97/100
- comfort score, milder than 98% of U.S. cities
- 34.8"
- annual precipitation
- 248 days
- growing season, frost-free days
Based on NOAA U.S. Climate Normals (1991–2020) - 30-year averages describing the typical year, not a forecast.
Avg Temperature
67°F (19°C)
Avg High
78°F
Avg Low
55°F
Annual Precip
34.8"
Annual Snow
0.0"
Comfort Score
97/100
Excellent
Avg Annual Temperature
67°F
30-year mean (NOAA NCEI)
Annual Precipitation
34.8"
Liquid-equivalent total
Comfort score vs national 100-point ceiling (Killeen) 97.0%
National median (63)
PlainClimate composite, temperature mildness, humidity, precipitation, extreme-weather frequency. Excellent for the Killeen area.
How Killeen compares to every U.S. city
Killeen's comfort score vs. all U.S. cities
PlainClimate composite comfort index (1–100), NOAA 1991–2020 normals
97 Top 2% higher than 98% of 6,915 US cities
Each bar is a band; taller bars hold more US cities. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.
Source NOAA U.S. Climate Normals, PlainClimate comfort index · 1991–2020
Warming context for Killeen
MethodologyZooming out from Killeen's own normal, the chart below shows how the U.S. land temperature anomaly has tracked the global mean since 1900 - the most recent decade sits warmer than the 30-year mean shown here.
- United States land mean (NOAA NCEI) +0.11 °C/decade
- Global anomaly (NASA GISTEMP) +0.11 °C/decade
- Paris Agreement thresholds 1.5°C / 2.0°C
Monthly Temperatures
Average daily high and low temperatures by month
| Month | Avg High | Avg Low | Mean | Precip | Snow | Freeze Days | 90°F+ Days |
|---|---|---|---|---|---|---|---|
| January | 60°F (15°C) | 36°F (2°C) | 48°F (9°C) | 2.5" | 0.0" | 10.6 | 0.0 |
| February | 63°F (17°C) | 40°F (4°C) | 52°F (11°C) | 2.2" | 0.0" | 5.1 | 0.1 |
| March | 70°F (21°C) | 47°F (8°C) | 59°F (15°C) | 3.3" | 0.0" | 3.1 | 0.2 |
| April | 77°F (25°C) | 54°F (12°C) | 65°F (19°C) | 2.1" | 0.0" | 0.0 | 1.3 |
| May | 84°F (29°C) | 63°F (17°C) | 73°F (23°C) | 4.7" | 0.0" | 0.0 | 8.4 |
| June | 92°F (33°C) | 70°F (21°C) | 81°F (27°C) | 3.2" | 0.0" | 0.0 | 18.7 |
| July | 96°F (35°C) | 72°F (22°C) | 84°F (29°C) | 2.7" | 0.0" | 0.0 | 28.4 |
| August | 97°F (36°C) | 73°F (23°C) | 85°F (29°C) | 1.6" | 0.0" | 0.0 | 27.9 |
| September | 90°F (32°C) | 67°F (19°C) | 78°F (26°C) | 3.9" | 0.0" | 0.0 | 15.9 |
| October | 80°F (27°C) | 56°F (14°C) | 68°F (20°C) | 3.4" | 0.0" | 0.2 | 3.9 |
| November | 69°F (21°C) | 46°F (8°C) | 58°F (14°C) | 2.7" | 0.0" | 4.0 | 0.0 |
| December | 60°F (16°C) | 38°F (3°C) | 49°F (10°C) | 2.4" | 0.0" | 8.1 | 0.0 |
Monthly Precipitation
Average monthly rainfall and snowfall
January 2.5"
7.1 days with precipitation
February 2.2"
7.3 days with precipitation
March 3.3"
8.2 days with precipitation
April 2.1"
6.1 days with precipitation
May 4.7"
7.4 days with precipitation
June 3.2"
5.8 days with precipitation
July 2.7"
3.9 days with precipitation
August 1.6"
3.9 days with precipitation
September 3.9"
5.6 days with precipitation
October 3.4"
6.3 days with precipitation
November 2.7"
6.4 days with precipitation
December 2.4"
6.9 days with precipitation
Frost Dates & Growing Season
First Fall Freeze
November 17
50% probability date
Last Spring Freeze
March 14
50% probability date
Growing Season
248 days
Heating & Cooling Degree Days
Annual totals indicate energy demand for heating and cooling
Heating Degree Days
2,072
Higher = more heating needed
Cooling Degree Days
2,683
Higher = more cooling needed
Warmest Month
August
Coldest Month
January
What Killeen's climate means for you
Killeen runs 67°F a year - peaking in August, coldest in January.
- Gardeners get about 248 frost-free days, with the last spring freeze near March 14 - plan the planting calendar around it, not the regional average.
- Energy bills track 2,072 heating and 2,683 cooling degree days a year, higher means the furnace or AC runs more.
- Comparing places to live? Line this city up against nearby cities and the national rankings. See rankings
These are 30-year NOAA normals (1991–2020) - the typical year, not a forecast for any specific season.
Climate Guides
Climate Insight: Killeen, TX
An annual average temperature of 67°F, ranging from a mean daily high of 78°F to a mean daily low of 55°F is what the NOAA 1991–2020 climate normals report for Killeen, Texas. August is typically the warmest month of the year, while January is the coldest. That baseline comes from station USC00414792 and thirty years of averaging, so it reflects a typical month rather than any one year's swings.
Anyone planning to live, garden, or travel in Killeen should weigh precipitation alongside temperature: the annual average runs 34.8 inches, with negligible snowfall. The frost-free season averages 248 days, which directly shapes the planting calendar and growing potential for the area, with the last spring freeze near March 14 and the first fall freeze near November 17. And on the energy front, 2,072 heating degree days and 2,683 cooling degree days tell the story of how often furnaces and air conditioners run during a normal year.
On PlainClimate's composite comfort index, Killeen scores 97/100 (Excellent), a blended measure that weighs temperature mildness, precipitation moderation, and extreme-weather frequency against one another. The monthly tables above are the practical planning tool: mild highs and lows land in the shoulder seasons, August-driven heat peaks in summer, and January-driven cold sets in over deep winter. These are thirty-year averages, not a forecast - any single year can run warmer, wetter, drier, or cooler than the normal.
Frequently Asked Questions
What is the average temperature in Killeen, TX? ▼
The average annual temperature in Killeen, Texas is 67°F. The warmest month averages 97°F (36°C) and the coldest averages 36°F (2°C).
How much rain does Killeen get? ▼
Killeen receives 34.8 inches of precipitation annually. Based on NOAA 30-year climate normals (1991-2020).
What is the comfort score for Killeen? ▼
Killeen has a climate comfort score of 97/100 (Excellent), milder than 98% of U.S. cities in the PlainClimate database.
When is the growing season in Killeen? ▼
Killeen has approximately 248 frost-free days per year, with the last spring freeze around March 14 and the first fall freeze around November 17.
How much energy does heating and cooling require in Killeen? ▼
Killeen has 2,072 heating degree days and 2,683 cooling degree days annually, a fairly balanced heating/cooling split. See our <a href="/guides/reading-weather-data/" class="underline hover:text-brand-600">guide to reading weather data</a> for what these figures mean.
Where does this Killeen climate data come from? ▼
NOAA U.S. Climate Normals v1.0.1 (1991-2020), from weather station USC00414792 near Killeen.
Data Sources
Data source: NOAA U.S. Climate Normals v1.0.1 (1991-2020). Station: USC00414792. For informational purposes only.
Read our methodology - how this data is sourced, computed, and verified.
Related
Data sourced from official public datasets. See our methodology for details. Retrieved and formatted by PlainClimate Editorial
Every figure on PlainClimate is rendered directly from NOAA 1991-2020 U.S. Climate Normals data, no number is typed in by an editor. This page draws directly on NOAA 1991-2020 U.S. Climate Normals data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.